All of the following are true regarding NK cells EXCEPT Select one: a. they are found…

All of the following are true regarding NK cells EXCEPT
Select one:
a. they are found in tissues of the lymphatic system.
b. they have the ability to kill infected body cells and some
tumor cells.
c. they are a type of lymphocyte.
d. they release toxic substances that cause cell lysis or
apoptosis.
e. they destroy infected body cells by phagocytosis.
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Which of the following antibodies is a pentamer?
Select one:
a. IgE
b. IgM
c. IgD
d. IgA
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When haptens attach to carrier molecules, an epitope forms on
hapten which then can be bound to antibody.
Select one:
True
False
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A chill is a sign that
Select one:
a. the metabolic rate is decreasing.
b. body temperature is not changing.
c. body temperature is rising.
d. body temperature is falling.
e. blood vessels are dilating.
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Biofilms provide pathogens with an adhesion mechanism and aid in
resistance to antimicrobial agents.
Select one:
True
False